411. Clausilia bicolor Pfr. — T. breviter rimata, 
fusiformis, violascenti-brunnea, subtiliter et subarcuetim costu- 
lato-striata; anfr. 11 convexiusculi, ultimus basi leviter bicari- 
natus, conferlim costulatus; apertura pyriformis, basi canalicu- 
lata; lamella superior minuta, antica, inf. profunda, transversa, 
valida, compressa; plica lunata transverse elongata, palatalis 
1 infra suturam; perist. continuum, fusculum, solutum, undique 
expansum. 
Long. 14, diam. 3!/, mill. — Ins. Andros. (Forbes.) 
B. Anfractu ultimo a latere paulo magis compresso. — 
Ins. Thermia (Forbes.) 
Juxta Cl. rugicollem collocanda. 
412. Clausilia cylindrica Gray Mus. Britt. — T. 
rimata, adulta cylindrica, truncata, nitide cornea, oblique costu- 
lato-striata; anfr. 7 subaequales, ultimus antice validius corru- 
galus; apertura subverticalis, pyriformis; lamellae leves; plica 
lunata obsoleta, palatales 3, suprema longissima; perist. conti- 
nuum, albidum, brevissime reflexum. 
Long. 13, diam. 3 mill. — India. (Mus. Britt.) 
Spira juvenum valde elongata, gracilis. 
413. Clausilia diminuta Parr. — T. subrimata, cy- 
lindraceo - fusiformis, oblique costulata, corneo-fusca, parum 
nitida; spira subulata, apice aculiuscula; anfr. 9 planiusculi, 
ulümus basi compresso-subcristatus; apertura semiovalis; lamel- 
lae inaequales, sup. parvula, recta; plica lunata brevis, valida, 
palatales 2 parallelae, tertia brevis infra lunatam, columellaris 
immersa; perist. non continuum, margine brevissime expansum, 
Long. 11, diam. 2?/, mil. — Ins. Meleda. (Parreyss.) 
Juxta Cl. subcylindricam collocanda, 
414. Clausilia discolor Pfr. — T. vix rimata, fusi- 
formis, solidula, laevigata, carneo-lactea, opaca, irregulariter 
corneo - variegata; sutura linearis; anfr. 11 planulati, ultimus 
confertissime costulato-striatus, basi gibboso-cristatus; apertura 
oblonga; lamellae subaequales, inf. profunda; plica lunata in- 
distincta , palatalis 1 prope suturam, columellaris nulla; perist. 
continuum , albo -labiatum, superne breviter solutum, undique 
expansum. 
Long. 14— 15, diam. 4 mill. — Cerigo. (Forbes.) 
415. Clausilia Forbesiana Pfr. — T. rimata, fusi- 
formis, arcuato- costata, cinerea, opaca, apice nitida, cornea; 
sulura filo - marginata, albida; anfr. 11— 12, primi convexi, 
reliqui planulati; ultimus compressus, altenuatus , rugoso-costa- 
